203310113101 has 4 divisors (see below), whose sum is σ = 203959666492. Its totient is φ = 202660559712.

The previous prime is 203310113081. The next prime is 203310113131. The reversal of 203310113101 is 101311013302.

203310113101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 83434900201 + 119875212900 = 288851^2 + 346230^2 .

It is a cyclic number.

It is not a de Polignac number, because 203310113101 - 2⁹ = 203310112589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203310113131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324776226 + ... + 324776851.

It is an arithmetic number, because the mean of its divisors is an integer number (50989916623).

Almost surely, 2^203310113101 is an apocalyptic number.

It is an amenable number.

203310113101 is a deficient number, since it is larger than the sum of its proper divisors (649553391).

203310113101 is an equidigital number, since it uses as much as digits as its factorization.

203310113101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649553390.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 203310113101 its reverse (101311013302), we get a palindrome (304621126403).

The spelling of 203310113101 in words is "two hundred three billion, three hundred ten million, one hundred thirteen thousand, one hundred one".